body{
  background-color: lightgrey;
}

form{
  margin: 8% auto;
  padding: 20px 50px;
  width: 45%;
  min-width: 380px;
  background-color: lightyellow;
  border-radius: 8px;
}

.form-group{
  margin: 40px auto;
}

.btn-primary{
  background-color: lightblue;
  margin: 20px auto;
  width: 80px;
}

.backBtn{
  position: relative;
  left: -20px;
  margin-bottom: -20px;
}